Let's make a general topic where we can add links related to COVID-19 related information:
Please let's try and keep the information posted here as trustworthy as possible.A badly designed device is just as dangerous or more than no device at all!

Open Source Ventilator. A website with different documentations related to the ventilators, the background, the demand in numbers, and existing designs (some of them open).

Open covid19.The goal of the OpenCovid19 initiative as a program is to collectively develop open-source and low-cost tools and methodologies that are safe and easy to use to fight the Covid19 Pandemic. Anyone can play a role!

Crowd fight covid19. An initiative from the scientific community to put all available resources at the service of the fight against COVID-19